import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Administrator
 * Date: 2023-03-05
 * Time: 12:51
 */
public class Test {
    public static void main(String[] args) {
        System.out.println("hello");
    }
    public static void main12(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        System.out.print("奇数位 ");
        for (int i = 30; i >= 0 ; i -= 2) {
            System.out.print(((n >> i) & 1)+" ");
        }
        System.out.println();
        System.out.print("偶数位 ");
        for (int i = 31; i >= 1 ; i -= 2) {
            System.out.print(((n >> i) & 1)+" ");
        }
    }
    public static int asd(int n){
        int cont = 0;
/*        for (int i = 0; i < 32; i++) {
            if((n & 1) != 0){
                cont++;
            }*/
        while(n != 0){
            n = n & (n-1);
            cont++;
        }
        return cont;
    }
    public static void main11(String[] args) {
            Scanner scan = new Scanner(System.in);
            int n = scan.nextInt();
            int ret = asd(n);
        System.out.println(ret);
    }
    public static void main10(String[] args) {
        for (int i = 0; i <= 999; i++) {
            int sum = i;
            int cont = 0;
            while(sum != 0){
                cont++;
                sum /= 10;
            }
            sum = i;
            int num = 0;
            while(sum != 0){
                num += Math.pow(sum % 10,cont);
                sum /= 10;
            }
            if(num == i){
                System.out.println(i);
            }
        }
    }
    public static void main9(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = a % b;
        while(c != 0){
            a = b;
            b = c;
            c = a % b;
        }
        System.out.println(b);
    }
    public static void main8(String[] args){
        Scanner sc=new Scanner(System.in);
        while(sc.hasNextInt()){
            int x=sc.nextInt();
            int[][] arr=new int[x][x];
            for(int i=0;i<x;i++){
                arr[i][i]=1;
                arr[i][x-i-1]=1;
            }
            for(int i=0;i<x;i++){
                for(int j=0;j<x;j++){
                    if(arr[i][j]==1) System.out.print("*");
                    else System.out.print(" ");
                }
                System.out.println();
            }
        }
    }
    public static int Max(int x,int y){
        return x > y?x:y;
    }
    public static double Max(double x,double y,double z){
        double s1  = x > y?x:y;
        double s2 = s1 > z?s1:y;
        return s2;
    }
    public static void main7(String[] args) {
        int a = 10;
        int b = 20;
        int ret1 = Max(a,b);
        System.out.println(ret1);
        double d1 = 3.2;
        double d2 = 1.5;
        double d3 = 1.3;
        double ret2 = Max(d1,d2,d3);
        System.out.println(ret2);
    }
    public static int num(int x,int y){
        return x + y;
    }
    public static double num(double x,double y,double z){
        return x + y +z;
    }
    public static void main6(String[] args) {
        int a = 10;
        int b = 20;
        int ret1 = num(a,b);
        System.out.println("int类型"+ret1);
        double d1 = 3.2;
        double d2 = 1.5;
        double d3 = 1.3;
        double ret2 = num(d1,d2,d3);
        System.out.println("double类型"+ret2);
    }
    public static void main5(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int sum = 1;
        int a = 1;
        int b = 1;
        for (int i = 1; i <= n; i++) {
            if(i > 2){
                b = a;
                a = sum;
                sum = a + b;
            }else{
                sum = 1;
            }
        }
        System.out.println(sum);
    }
    public static void main4(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int sum = 1;
        int num = 0;
        for (int i = 1; i <= n; i++) {
            sum *= i;
            num += sum;
        }
        System.out.println(num);
    }
    public static void main3(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int sum = 1;
        for (int i = 1; i <= n; i++) {
            sum *= i;
        }
        System.out.println(sum);
    }
    public  static  int Max2(int x,int y){
        return x > y?x:y;
    }
    public static  int Max3(int x,int y,int z){
        int ret = Max2(x,y);
        int num = Max2(ret,z);
        return num;
    }
    public static void main2(String[] args) {
        int a = 10;
        int b = 20;
        int c = 30;
        int ret = Max3(a,b,c);
        System.out.println(ret);
    }
    public static void main1(String[] args) {
        double summ1 = 0;
        double summ2 = 0;
        for (int i = 1; i <= 100; i++) {
            if(i % 2 != 0){
                summ1 += 1.0 / i;
            }else{
                summ2 += 1.0 / i;
            }
        }
        System.out.println(summ1-summ2);
    }
}
